Home / 305,130.60-457,695.90-94,789.80

Finding the Fourth Proportional to 305,130.60, 457,695.90 and 94,789.80

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Solution

The fourth proportional to 305,130.60, 457,695.90 and 94,789.80 is: 142,184.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,130.60 : 457,695.90 = 94,789.80 : x
  2. Step 2: Convert to fraction form
    305,130.60/457,695.90 = 94,789.80/x
  3. Step 3: Cross multiply
    305,130.60x = 457,695.90 × 94,789.80
  4. Step 4: Simplify right side
    305,130.60x = 43,384,902,821.82
  5. Step 5: Solve for x
    x = 43,384,902,821.82/305,130.60
  6. Step 6: Final answer
    x = 142,184.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.